Invention Grant
- Patent Title: Spin torque layer in side gap for improved field and cross track field gradient
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Application No.: US16911083Application Date: 2020-06-24
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Publication No.: US10997990B2Publication Date: 2021-05-04
- Inventor: Alexander Goncharov , Muhammad Asif Bashir , James Terrence Olson , Petrus Antonius Vanderheijden
- Applicant: Western Digital Technologies, Inc.
- Applicant Address: US CA San Jose
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Patterson & Sheridan, LLP
- Agent Steven H. Versteeg
- Main IPC: G11B5/235
- IPC: G11B5/235 ; G11B5/31 ; G11B5/11 ; G11B5/23 ; G11B5/127 ; G11B5/00

Abstract:
A magnetic recording head is disclosed having a main pole, a shield hot seed layer positioned at a first side of the main pole, a first material positioned at both a second side and a third side of the main pole, the first material connected to the main pole, a second material positioned adjacent to the first material on the second side and the third side of the main pole, the second material comprised of a spin torque layer, a third material positioned adjacent to the second material on the second side and the third side of the main pole, a fourth material positioned adjacent to the third material on the second side and the third side of the main pole and a side shield connected on an exterior side of the fourth material.
Public/Granted literature
- US20200327902A1 SPIN TORQUE LAYER IN SIDE GAP FOR IMPROVED FIELD AND CROSS TRACK FIELD GRADIENT Public/Granted day:2020-10-15
Information query
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